[FFmpeg-devel] One pass volume normalization (ebur128)
Nicolas George
george at nsup.org
Tue Jul 15 17:28:53 CEST 2014
(Sorry for the thread necromancy.)
Le septidi 17 prairial, an CCXXII, Roger Pack a écrit :
> So am I correct that there is no smoothed intermediate value available
> as of today?
Indeed. Patch welcome.
> One liners are just sexy if it were possible to do
> volume normalization on the fly :)
Volume normalization on the fly is possible with a long one-liner:
ffmpeg ... -af volume="$(ffmpeg ... -af ebur128 | parse)" ...
If the program is coherent, a constant volume adjustment is better, and it
can only be achieved with two passes.
Regards,
--
Nicolas George
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